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(a) Deduce the number of 3d electrons in the following ions : Cu2+, Sc+3

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asked Dec 20, 2017 in Chemistry by sforrest072 (157,439 points) ● 63 ● 448 ● 1266

(a) Deduce the number of 3d electrons in the following ions :
                                 Cu2+, Sc+3
(b) Why do transition metals form alloy ?
(c) Why Zn+2 salts are white ?

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answered Dec 20, 2017 by mdsamim (213,225 points) ● 5 ● 10 ● 22
selected Dec 20, 2017 by sforrest072
 
Best answer

Cu+2 : 9 electrons
Sc+3 : 0 electron

(b) Transition metals have similar atomic radii.
(c) Absence of unpaired electron.

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